Grohflex Timeless Single Function Thermostatic Trim With Control Module GROHE StarLight finish for scratch and tarnish-resistant surfaces for a lifetime of beauty GROHE TurboStat technology delivers water at a desired temperature within a fraction of a second and keeps it constant for the duration of the shower For shower only or shower/tub with diverter applications Integrated volume control Integrated bypass option when used with diverter tub spout